Estrogen-Only Therapy May Reduce Breast Cancer Risk

Study looked at women with hysterectomy taking hormones for menopause symptoms

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That said, estrogen does increase the risk of blood clots. "Women with blood-clotting disorders should not take it," Nachtigall said.

Commenting on the study, Dr. Stephanie Bernik, chief of surgical oncology at Lenox Hill Hospital in New York City, said, "If you are looking to reduce menopausal symptoms and don't have an intact uterus, [estrogen] is an option." But estrogen-only therapy should not be prescribed indiscriminately, she added.

"This applies only to women who have severe menopausal symptoms. We are not saying that we should give women estrogen to reduce the risk of breast cancer," Bernik added.

More information

Learn more about the benefits and risks of hormone replacement therapy through the North American Menopause Society.

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